Drain cap



FIG. 1 is a top perspective view of the drain cap according to the invention;

FIG. 2 is a bottom perspective view of the drain cap according to the invention;

FIG. 3 is a top plan view of the drain cap according to the invention;

FIG. 4 is a rear elevation of the drain cap according to the invention;

FIG. 5 is a bottom plan view of the drain cap according to the invention; and,

FIG. 6 is a side elevation of the drain cap according to the invention. 

The ornamental design for a drain cap, as shown. 